What percent of the bulk soil volume is made up of pore space (porosity) for a soil with a bulk density of 1.65 g cm-3?

Name the five factors of soil formation. 

A nurse is caring for a client admitted with acute appendicitis. Select the priority nursing intervention.

Which of the following best describes aeolian soil parent material?

If a water solution has an H+ concentration of 1 x 10-4, what is the pH of the solution?

Which best describes the composition of soil humus?

Which of the following clays is represented by the following diagram? (This is the same diagram as shown in the previous question.)

Imagine a city hired you as a consultant to help them with a sustainability goal to manage urban landscapes in a way that would capture more carbon dioxide from the atmosphere and store it in the soil. Give two management recommendations with potential for increasing the soil organic carbon content in urban landscapes. 

State how each organism benefits in the symbiotic relationship between a plant and mycorrhizal fungi. 

Which of the following best describes an organism that subsists by eating predators in the soil ecosystem?